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Finding the Fourth Proportional to 903.19, 1,355.47 and 594.93

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Solution

The fourth proportional to 903.19, 1,355.47 and 594.93 is: 892.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    903.19 : 1,355.47 = 594.93 : x
  2. Step 2: Convert to fraction form
    903.19/1,355.47 = 594.93/x
  3. Step 3: Cross multiply
    903.19x = 1,355.47 × 594.93
  4. Step 4: Simplify right side
    903.19x = 806,409.77
  5. Step 5: Solve for x
    x = 806,409.77/903.19
  6. Step 6: Final answer
    x = 892.85

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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.