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Finding the Fourth Proportional to 973.48, 1,460.42 and 324.20

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Solution

The fourth proportional to 973.48, 1,460.42 and 324.20 is: 486.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    973.48 : 1,460.42 = 324.20 : x
  2. Step 2: Convert to fraction form
    973.48/1,460.42 = 324.20/x
  3. Step 3: Cross multiply
    973.48x = 1,460.42 × 324.20
  4. Step 4: Simplify right side
    973.48x = 473,468.16
  5. Step 5: Solve for x
    x = 473,468.16/973.48
  6. Step 6: Final answer
    x = 486.37

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.