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Finding the Fourth Proportional to 560.01, 772.94 and 350.22

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Solution

The fourth proportional to 560.01, 772.94 and 350.22 is: 483.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    560.01 : 772.94 = 350.22 : x
  2. Step 2: Convert to fraction form
    560.01/772.94 = 350.22/x
  3. Step 3: Cross multiply
    560.01x = 772.94 × 350.22
  4. Step 4: Simplify right side
    560.01x = 270,697.30
  5. Step 5: Solve for x
    x = 270,697.30/560.01
  6. Step 6: Final answer
    x = 483.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.