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Finding the Fourth Proportional to 475.58, 710.61 and 372.62

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Solution

The fourth proportional to 475.58, 710.61 and 372.62 is: 556.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    475.58 : 710.61 = 372.62 : x
  2. Step 2: Convert to fraction form
    475.58/710.61 = 372.62/x
  3. Step 3: Cross multiply
    475.58x = 710.61 × 372.62
  4. Step 4: Simplify right side
    475.58x = 264,787.50
  5. Step 5: Solve for x
    x = 264,787.50/475.58
  6. Step 6: Final answer
    x = 556.77

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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.