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Finding the Fourth Proportional to 904.41, 1,357.29 and 529.56

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Solution

The fourth proportional to 904.41, 1,357.29 and 529.56 is: 794.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    904.41 : 1,357.29 = 529.56 : x
  2. Step 2: Convert to fraction form
    904.41/1,357.29 = 529.56/x
  3. Step 3: Cross multiply
    904.41x = 1,357.29 × 529.56
  4. Step 4: Simplify right side
    904.41x = 718,766.49
  5. Step 5: Solve for x
    x = 718,766.49/904.41
  6. Step 6: Final answer
    x = 794.74

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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.