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Finding the Fourth Proportional to 606.24, 903.65 and 575.46

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Solution

The fourth proportional to 606.24, 903.65 and 575.46 is: 857.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.24 : 903.65 = 575.46 : x
  2. Step 2: Convert to fraction form
    606.24/903.65 = 575.46/x
  3. Step 3: Cross multiply
    606.24x = 903.65 × 575.46
  4. Step 4: Simplify right side
    606.24x = 520,011.55
  5. Step 5: Solve for x
    x = 520,011.55/606.24
  6. Step 6: Final answer
    x = 857.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.