Home / 30.10-45.23-16.58

Finding the Fourth Proportional to 30.10, 45.23 and 16.58

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Solution

The fourth proportional to 30.10, 45.23 and 16.58 is: 24.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30.10 : 45.23 = 16.58 : x
  2. Step 2: Convert to fraction form
    30.10/45.23 = 16.58/x
  3. Step 3: Cross multiply
    30.10x = 45.23 × 16.58
  4. Step 4: Simplify right side
    30.10x = 749.86
  5. Step 5: Solve for x
    x = 749.86/30.10
  6. Step 6: Final answer
    x = 24.91

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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.