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Finding the Fourth Proportional to 841.37, 1,160.95 and 468.34

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Solution

The fourth proportional to 841.37, 1,160.95 and 468.34 is: 646.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    841.37 : 1,160.95 = 468.34 : x
  2. Step 2: Convert to fraction form
    841.37/1,160.95 = 468.34/x
  3. Step 3: Cross multiply
    841.37x = 1,160.95 × 468.34
  4. Step 4: Simplify right side
    841.37x = 543,725.28
  5. Step 5: Solve for x
    x = 543,725.28/841.37
  6. Step 6: Final answer
    x = 646.24

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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.