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Finding the Fourth Proportional to 508.68, 761.47 and 335.07

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Solution

The fourth proportional to 508.68, 761.47 and 335.07 is: 501.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    508.68 : 761.47 = 335.07 : x
  2. Step 2: Convert to fraction form
    508.68/761.47 = 335.07/x
  3. Step 3: Cross multiply
    508.68x = 761.47 × 335.07
  4. Step 4: Simplify right side
    508.68x = 255,144.92
  5. Step 5: Solve for x
    x = 255,144.92/508.68
  6. Step 6: Final answer
    x = 501.58

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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.