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Finding the Fourth Proportional to 1,345.77, 2,018.79 and 468.27

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Solution

The fourth proportional to 1,345.77, 2,018.79 and 468.27 is: 702.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345.77 : 2,018.79 = 468.27 : x
  2. Step 2: Convert to fraction form
    1,345.77/2,018.79 = 468.27/x
  3. Step 3: Cross multiply
    1,345.77x = 2,018.79 × 468.27
  4. Step 4: Simplify right side
    1,345.77x = 945,338.79
  5. Step 5: Solve for x
    x = 945,338.79/1,345.77
  6. Step 6: Final answer
    x = 702.45

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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.