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Finding the Fourth Proportional to 832.73, 1,148.68 and 608.37

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Solution

The fourth proportional to 832.73, 1,148.68 and 608.37 is: 839.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    832.73 : 1,148.68 = 608.37 : x
  2. Step 2: Convert to fraction form
    832.73/1,148.68 = 608.37/x
  3. Step 3: Cross multiply
    832.73x = 1,148.68 × 608.37
  4. Step 4: Simplify right side
    832.73x = 698,822.45
  5. Step 5: Solve for x
    x = 698,822.45/832.73
  6. Step 6: Final answer
    x = 839.20

Related Problems

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Half scale
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Double scale
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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.