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Finding the Fourth Proportional to 594.06, 890.24 and 438.76

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Solution

The fourth proportional to 594.06, 890.24 and 438.76 is: 657.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.06 : 890.24 = 438.76 : x
  2. Step 2: Convert to fraction form
    594.06/890.24 = 438.76/x
  3. Step 3: Cross multiply
    594.06x = 890.24 × 438.76
  4. Step 4: Simplify right side
    594.06x = 390,601.70
  5. Step 5: Solve for x
    x = 390,601.70/594.06
  6. Step 6: Final answer
    x = 657.51

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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.