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Finding the Fourth Proportional to 334.77, 501.72 and 291.25

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Solution

The fourth proportional to 334.77, 501.72 and 291.25 is: 436.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.77 : 501.72 = 291.25 : x
  2. Step 2: Convert to fraction form
    334.77/501.72 = 291.25/x
  3. Step 3: Cross multiply
    334.77x = 501.72 × 291.25
  4. Step 4: Simplify right side
    334.77x = 146,125.95
  5. Step 5: Solve for x
    x = 146,125.95/334.77
  6. Step 6: Final answer
    x = 436.50

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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.