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Finding the Fourth Proportional to 1,111.16, 1,667.23 and 526.58

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Solution

The fourth proportional to 1,111.16, 1,667.23 and 526.58 is: 790.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111.16 : 1,667.23 = 526.58 : x
  2. Step 2: Convert to fraction form
    1,111.16/1,667.23 = 526.58/x
  3. Step 3: Cross multiply
    1,111.16x = 1,667.23 × 526.58
  4. Step 4: Simplify right side
    1,111.16x = 877,935.46
  5. Step 5: Solve for x
    x = 877,935.46/1,111.16
  6. Step 6: Final answer
    x = 790.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.