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Finding the Fourth Proportional to 554.81, 833.18 and 530.51

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Solution

The fourth proportional to 554.81, 833.18 and 530.51 is: 796.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.81 : 833.18 = 530.51 : x
  2. Step 2: Convert to fraction form
    554.81/833.18 = 530.51/x
  3. Step 3: Cross multiply
    554.81x = 833.18 × 530.51
  4. Step 4: Simplify right side
    554.81x = 442,003.50
  5. Step 5: Solve for x
    x = 442,003.50/554.81
  6. Step 6: Final answer
    x = 796.68

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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.