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Finding the Fourth Proportional to 535.34, 738.14 and 473.78

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Solution

The fourth proportional to 535.34, 738.14 and 473.78 is: 653.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    535.34 : 738.14 = 473.78 : x
  2. Step 2: Convert to fraction form
    535.34/738.14 = 473.78/x
  3. Step 3: Cross multiply
    535.34x = 738.14 × 473.78
  4. Step 4: Simplify right side
    535.34x = 349,715.97
  5. Step 5: Solve for x
    x = 349,715.97/535.34
  6. Step 6: Final answer
    x = 653.26

Related Problems

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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.