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Finding the Fourth Proportional to 495.93, 744.50 and 476.36

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Solution

The fourth proportional to 495.93, 744.50 and 476.36 is: 715.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    495.93 : 744.50 = 476.36 : x
  2. Step 2: Convert to fraction form
    495.93/744.50 = 476.36/x
  3. Step 3: Cross multiply
    495.93x = 744.50 × 476.36
  4. Step 4: Simplify right side
    495.93x = 354,643.92
  5. Step 5: Solve for x
    x = 354,643.92/495.93
  6. Step 6: Final answer
    x = 715.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.