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Finding the Fourth Proportional to 508.87, 701.67 and 368.74

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Solution

The fourth proportional to 508.87, 701.67 and 368.74 is: 508.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    508.87 : 701.67 = 368.74 : x
  2. Step 2: Convert to fraction form
    508.87/701.67 = 368.74/x
  3. Step 3: Cross multiply
    508.87x = 701.67 × 368.74
  4. Step 4: Simplify right side
    508.87x = 258,733.80
  5. Step 5: Solve for x
    x = 258,733.80/508.87
  6. Step 6: Final answer
    x = 508.45

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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.