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Finding the Fourth Proportional to 606.48, 907.80 and 565.20

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Solution

The fourth proportional to 606.48, 907.80 and 565.20 is: 846.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.48 : 907.80 = 565.20 : x
  2. Step 2: Convert to fraction form
    606.48/907.80 = 565.20/x
  3. Step 3: Cross multiply
    606.48x = 907.80 × 565.20
  4. Step 4: Simplify right side
    606.48x = 513,088.56
  5. Step 5: Solve for x
    x = 513,088.56/606.48
  6. Step 6: Final answer
    x = 846.01

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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.