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Finding the Fourth Proportional to 960.19, 1,324.95 and 567.07

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Solution

The fourth proportional to 960.19, 1,324.95 and 567.07 is: 782.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    960.19 : 1,324.95 = 567.07 : x
  2. Step 2: Convert to fraction form
    960.19/1,324.95 = 567.07/x
  3. Step 3: Cross multiply
    960.19x = 1,324.95 × 567.07
  4. Step 4: Simplify right side
    960.19x = 751,339.40
  5. Step 5: Solve for x
    x = 751,339.40/960.19
  6. Step 6: Final answer
    x = 782.49

Related Problems

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Half scale
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Double scale
Find fourth proportional to 961.19, 1,326.33 and 568.07
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.