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Finding the Fourth Proportional to 560.27, 840.99 and 526.25

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Solution

The fourth proportional to 560.27, 840.99 and 526.25 is: 789.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    560.27 : 840.99 = 526.25 : x
  2. Step 2: Convert to fraction form
    560.27/840.99 = 526.25/x
  3. Step 3: Cross multiply
    560.27x = 840.99 × 526.25
  4. Step 4: Simplify right side
    560.27x = 442,570.99
  5. Step 5: Solve for x
    x = 442,570.99/560.27
  6. Step 6: Final answer
    x = 789.92

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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.