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Finding the Fourth Proportional to 501.64, 747.16 and 475.62

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Solution

The fourth proportional to 501.64, 747.16 and 475.62 is: 708.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    501.64 : 747.16 = 475.62 : x
  2. Step 2: Convert to fraction form
    501.64/747.16 = 475.62/x
  3. Step 3: Cross multiply
    501.64x = 747.16 × 475.62
  4. Step 4: Simplify right side
    501.64x = 355,364.24
  5. Step 5: Solve for x
    x = 355,364.24/501.64
  6. Step 6: Final answer
    x = 708.40

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.