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Finding the Fourth Proportional to 1,506.79, 2,259.90 and 466.66

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Solution

The fourth proportional to 1,506.79, 2,259.90 and 466.66 is: 699.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506.79 : 2,259.90 = 466.66 : x
  2. Step 2: Convert to fraction form
    1,506.79/2,259.90 = 466.66/x
  3. Step 3: Cross multiply
    1,506.79x = 2,259.90 × 466.66
  4. Step 4: Simplify right side
    1,506.79x = 1,054,604.93
  5. Step 5: Solve for x
    x = 1,054,604.93/1,506.79
  6. Step 6: Final answer
    x = 699.90

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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.