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Finding the Fourth Proportional to 560.09, 840.23 and 175.25

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Solution

The fourth proportional to 560.09, 840.23 and 175.25 is: 262.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    560.09 : 840.23 = 175.25 : x
  2. Step 2: Convert to fraction form
    560.09/840.23 = 175.25/x
  3. Step 3: Cross multiply
    560.09x = 840.23 × 175.25
  4. Step 4: Simplify right side
    560.09x = 147,250.31
  5. Step 5: Solve for x
    x = 147,250.31/560.09
  6. Step 6: Final answer
    x = 262.90

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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.