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Finding the Fourth Proportional to 476.49, 656.53 and 365.62

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Solution

The fourth proportional to 476.49, 656.53 and 365.62 is: 503.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.49 : 656.53 = 365.62 : x
  2. Step 2: Convert to fraction form
    476.49/656.53 = 365.62/x
  3. Step 3: Cross multiply
    476.49x = 656.53 × 365.62
  4. Step 4: Simplify right side
    476.49x = 240,040.50
  5. Step 5: Solve for x
    x = 240,040.50/476.49
  6. Step 6: Final answer
    x = 503.77

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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.