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Finding the Fourth Proportional to 560.51, 841.35 and 252.58

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Solution

The fourth proportional to 560.51, 841.35 and 252.58 is: 379.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    560.51 : 841.35 = 252.58 : x
  2. Step 2: Convert to fraction form
    560.51/841.35 = 252.58/x
  3. Step 3: Cross multiply
    560.51x = 841.35 × 252.58
  4. Step 4: Simplify right side
    560.51x = 212,503.98
  5. Step 5: Solve for x
    x = 212,503.98/560.51
  6. Step 6: Final answer
    x = 379.13

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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.