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Finding the Fourth Proportional to 560.72, 841.02 and 195.50

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Solution

The fourth proportional to 560.72, 841.02 and 195.50 is: 293.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    560.72 : 841.02 = 195.50 : x
  2. Step 2: Convert to fraction form
    560.72/841.02 = 195.50/x
  3. Step 3: Cross multiply
    560.72x = 841.02 × 195.50
  4. Step 4: Simplify right side
    560.72x = 164,419.41
  5. Step 5: Solve for x
    x = 164,419.41/560.72
  6. Step 6: Final answer
    x = 293.23

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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.