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Finding the Fourth Proportional to 53.40, 73.66 and 37

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Solution

The fourth proportional to 53.40, 73.66 and 37 is: 51.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    53.40 : 73.66 = 37 : x
  2. Step 2: Convert to fraction form
    53.40/73.66 = 37/x
  3. Step 3: Cross multiply
    53.40x = 73.66 × 37
  4. Step 4: Simplify right side
    53.40x = 2,725.42
  5. Step 5: Solve for x
    x = 2,725.42/53.40
  6. Step 6: Final answer
    x = 51.04

Related Problems

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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.