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Finding the Fourth Proportional to 900.24, 1,350.59 and 283.93

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Solution

The fourth proportional to 900.24, 1,350.59 and 283.93 is: 425.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    900.24 : 1,350.59 = 283.93 : x
  2. Step 2: Convert to fraction form
    900.24/1,350.59 = 283.93/x
  3. Step 3: Cross multiply
    900.24x = 1,350.59 × 283.93
  4. Step 4: Simplify right side
    900.24x = 383,473.02
  5. Step 5: Solve for x
    x = 383,473.02/900.24
  6. Step 6: Final answer
    x = 425.97

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1.5x scale

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.