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Finding the Fourth Proportional to 520.24, 716.16 and 473.80

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Solution

The fourth proportional to 520.24, 716.16 and 473.80 is: 652.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    520.24 : 716.16 = 473.80 : x
  2. Step 2: Convert to fraction form
    520.24/716.16 = 473.80/x
  3. Step 3: Cross multiply
    520.24x = 716.16 × 473.80
  4. Step 4: Simplify right side
    520.24x = 339,316.61
  5. Step 5: Solve for x
    x = 339,316.61/520.24
  6. Step 6: Final answer
    x = 652.23

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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.