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Finding the Fourth Proportional to 795.18, 1,097.26 and 463.37

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Solution

The fourth proportional to 795.18, 1,097.26 and 463.37 is: 639.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.18 : 1,097.26 = 463.37 : x
  2. Step 2: Convert to fraction form
    795.18/1,097.26 = 463.37/x
  3. Step 3: Cross multiply
    795.18x = 1,097.26 × 463.37
  4. Step 4: Simplify right side
    795.18x = 508,437.55
  5. Step 5: Solve for x
    x = 508,437.55/795.18
  6. Step 6: Final answer
    x = 639.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.