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Finding the Fourth Proportional to 508, 700.76 and 341.92

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Solution

The fourth proportional to 508, 700.76 and 341.92 is: 471.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    508 : 700.76 = 341.92 : x
  2. Step 2: Convert to fraction form
    508/700.76 = 341.92/x
  3. Step 3: Cross multiply
    508x = 700.76 × 341.92
  4. Step 4: Simplify right side
    508x = 239,603.86
  5. Step 5: Solve for x
    x = 239,603.86/508
  6. Step 6: Final answer
    x = 471.66

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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.