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Finding the Fourth Proportional to 1,530.85, 2,296.27 and 606.62

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Solution

The fourth proportional to 1,530.85, 2,296.27 and 606.62 is: 909.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530.85 : 2,296.27 = 606.62 : x
  2. Step 2: Convert to fraction form
    1,530.85/2,296.27 = 606.62/x
  3. Step 3: Cross multiply
    1,530.85x = 2,296.27 × 606.62
  4. Step 4: Simplify right side
    1,530.85x = 1,392,963.31
  5. Step 5: Solve for x
    x = 1,392,963.31/1,530.85
  6. Step 6: Final answer
    x = 909.93

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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.